Which frame rate results in more image blur on film?

Which frame rate results in more image blur on film?

• A. 6 fps
• B. 12 fps
• C. 24 fps
• D. 48 fps

Answer: (B)

Motion blur is tied to how long each frame is exposed. When you lower the frame rate, each frame covers a longer slice of time, so any movement in the scene smears more across the image. Conversely, increasing the frame rate shortens the exposure per frame, capturing motion more crisply with less blur. So, as frame rate decreases, blur increases; as frame rate increases, blur decreases. Among the options, the one with the slowest frame rate would produce the most blur, with blur diminishing as you move to faster frame rates. This is why understanding the relationship between frame rate and exposure time is key: it directly governs how much motion is captured as blur.

Motion blur is tied to how long each frame is exposed. When you lower the frame rate, each frame covers a longer slice of time, so any movement in the scene smears more across the image. Conversely, increasing the frame rate shortens the exposure per frame, capturing motion more crisply with less blur.

So, as frame rate decreases, blur increases; as frame rate increases, blur decreases. Among the options, the one with the slowest frame rate would produce the most blur, with blur diminishing as you move to faster frame rates. This is why understanding the relationship between frame rate and exposure time is key: it directly governs how much motion is captured as blur.